{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/aluminium-ammonium-sulfate",
  "slug": "aluminium-ammonium-sulfate",
  "name": "Aluminium ammonium sulfate",
  "identifiers": {
    "e_number": "E523",
    "ins_number": "523",
    "cas_number": "7784-25-0",
    "inchikey": "LCQXXBOSCBRNNT-UHFFFAOYSA-K",
    "pubchem_cid": 3032540
  },
  "functional_class": "Acidity regulator",
  "summary": "Aluminium ammonium sulfate, a form of alum, is a firming agent and raising-agent component. It is one of the additives that contributes dietary aluminium, which regulators assess separately from its function in food.",
  "derivation_summary": "Produced by crystallising aluminium sulfate with ammonium sulfate.",
  "regulatory_status": [
    {
      "jurisdiction": "US",
      "jurisdiction_name": "United States",
      "authority": "Food and Drug Administration",
      "status": "not_listed",
      "status_label": "Not listed",
      "note": "Does not appear on this jurisdiction’s permitted list. That is not the same as being prohibited.",
      "provision_count": 0,
      "provisions": []
    },
    {
      "jurisdiction": "CODEX",
      "jurisdiction_name": "Codex Alimentarius",
      "authority": "Codex Alimentarius Commission / JECFA",
      "status": "permitted_with_conditions",
      "status_label": "Permitted, with conditions",
      "provision_count": 7,
      "provisions": [
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "04.2.2.3",
            "name": "Vegetables (including mushrooms and fungi, roots and tubers, pulses and legumes, and aloe vera), and seaweeds in vinegar, oil, brine, or soybean sauce"
          },
          "max_level": 520,
          "max_level_unit": "mg/kg",
          "conditions": "GSFA notes: 6, 245, 296 & XS66",
          "effective_from": "2017",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 523, food category 04.2.2.3",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "06.4.1",
            "name": "Fresh pastas and noodles and like products"
          },
          "max_level": 300,
          "max_level_unit": "mg/kg",
          "conditions": "GSFA notes: 6 & 247",
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 523, food category 06.4.1",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "07.1.2",
            "name": "Crackers, excluding sweet crackers"
          },
          "max_level": 100,
          "max_level_unit": "mg/kg",
          "conditions": "GSFA notes: 6 & 246",
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 523, food category 07.1.2",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "07.1.3",
            "name": "Other ordinary bakery products (e.g. bagels, pita, English muffins)"
          },
          "max_level": 100,
          "max_level_unit": "mg/kg",
          "conditions": "GSFA notes: 6, 244 & 246",
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 523, food category 07.1.3",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "07.1.5",
            "name": "Steamed breads and buns"
          },
          "max_level": 40,
          "max_level_unit": "mg/kg",
          "conditions": "GSFA notes: 6, 246 & 248",
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 523, food category 07.1.5",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "07.1.6",
            "name": "Mixes for bread and ordinary bakery wares"
          },
          "max_level": 40,
          "max_level_unit": "mg/kg",
          "conditions": "GSFA notes: 6, 246 & 249",
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 523, food category 07.1.6",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "09.2.4.2",
            "name": "Cooked molluscs, crustaceans, and echinoderms"
          },
          "max_level": 200,
          "max_level_unit": "mg/kg",
          "conditions": "GSFA notes: 6 & 250",
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 523, food category 09.2.4.2",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        }
      ]
    }
  ],
  "names": [
    {
      "name": "7784-25-0",
      "type": "cas",
      "source": "openfoodtox"
    },
    {
      "name": "Alum, ammonium",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Alum, ammonium anhydrous",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "ALUM, AMMONIUM, EXSICCATED",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Aluminium ammonium bis(sulphate)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "ALUMINIUM AMMONIUM SULFATE",
      "type": "common",
      "source": "gsfa"
    },
    {
      "name": "Aluminium ammonium sulfate (1/1/2)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "ALUMINIUM AMMONIUM SULFATE ANHYDROUS",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Aluminium ammonium sulphate",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "aluminium(3+) ion ammonium disulfate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Aluminum ammonium alum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Aluminum ammonium bis(sulfate)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Aluminum ammonium disulfate (Al(NH4)(SO4)2)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "ALUMINUM AMMONIUM SULFATE",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Aluminum ammonium sulphate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "aluminum sulfate ammonium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "aluminum;azanium;disulfate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ammonium alum",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "AMMONIUM ALUM ANHYDROUS",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ammonium alum; Ammonium aluminum alum; Ammonium aluminum sulfate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "AMMONIUM ALUMINIUM SULFATE [WHO-DD]",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ammonium aluminum alum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ammonium aluminum sulfate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "AMMONIUM-ALUM",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Caswell No. 041B",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Curb",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "DPU64XYB1D",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "E 523",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "EPA Pesticide Chemical Code 098501",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Exsiccated ammonium alum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HSDB 611",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "INS NO.523",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "INS-523",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Monoammonium monoaluminum sulfate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "SULFURIC ACID, ALUMINIUM AMMONIUM SALT (2:1:1)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "E523",
      "type": "e_number",
      "source": "openfoodtox"
    },
    {
      "name": "523",
      "type": "ins",
      "source": "gsfa"
    },
    {
      "name": "aluminum azanium disulfate",
      "type": "iupac",
      "source": "openfoodtox"
    }
  ],
  "hazard_reference_values": [],
  "sources": [
    {
      "key": "gsfa",
      "name": "Codex General Standard for Food Additives (CXS 192-1995)",
      "publisher": "Codex Alimentarius Commission (FAO/WHO)",
      "licence": "FAO terms — non-commercial use with attribution",
      "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/",
      "retrieved_at": "2026-09-07T07:54:15.059Z"
    }
  ],
  "citation_policy": "Cite as: Food Additive Index, \"Aluminium ammonium sulfate\", https://foodadditiveindex.com/additives/aluminium-ammonium-sulfate. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.404Z"
}